Home / 21,850,229.87-30,153,319.02-12,060,676.59

Finding the Fourth Proportional to 21,850,229.87, 30,153,319.02 and 12,060,676.59

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Solution

The fourth proportional to 21,850,229.87, 30,153,319.02 and 12,060,676.59 is: 16,643,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850,229.87 : 30,153,319.02 = 12,060,676.59 : x
  2. Step 2: Convert to fraction form
    21,850,229.87/30,153,319.02 = 12,060,676.59/x
  3. Step 3: Cross multiply
    21,850,229.87x = 30,153,319.02 × 12,060,676.59
  4. Step 4: Simplify right side
    21,850,229.87x = 363,669,428,815,315.75
  5. Step 5: Solve for x
    x = 363,669,428,815,315.75/21,850,229.87
  6. Step 6: Final answer
    x = 16,643,734.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.